euphorbium

noun

1. an acrid brown gum resin now used mainly in veterinary medicine

   noun.substance

   Synonyms gum eurphorbium

   Source: WordNet 3.0

2. An inodorous exudation, usually in the form of yellow tears, produced chiefly by the African <i>Euphorbia resinifera</i>. It was formerly employed medicinally, but was found so violent in its effects that its use is nearly abandoned.

   noun

   Source: webster1913